Thread was being aborted exception

Question

Hi all

i Genarate a pdf file from gridview data using iTextSharp dll , but click buttion show the error and

 

attach file for ITextEvent

 

========Error==============

System.Threading.ThreadAbortException: Thread was being aborted.

at System.Threading.Thread.AbortInternal()

at System.Threading.Thread.Abort(Object stateInfo)

at System.Web.HttpResponse.End()

at admin_File_upload_report.LinkButton2_Click(Object sender, EventArgs e) in d:\MIB.NIC.IN\mib\admin\File_upload_report.aspx.cs:line 851

=============My cs code===============

Document pdfDoc = new Document(PageSize.A3, 10f, 10f, 100f, 10f);

try

{

PdfWriter pdfWriter = PdfWriter.GetInstance(pdfDoc, Response.OutputStream);

pdfWriter.PageEvent = new ITextEvents();

//open the stream

pdfDoc.Open();

Response.ContentType = "application/pdf";

Response.AddHeader("content-disposition", "attachment;filename=" + ddlcategory.SelectedItem.Text + "_" + ddlsubcategory.SelectedItem.Text + ".pdf");

Response.Cache.SetCacheability(HttpCacheability.NoCache);

StringWriter sw = new StringWriter();

HtmlTextWriter hw = new HtmlTextWriter(sw);

HtmlForm frm = new HtmlForm();

GridView1.Parent.Controls.Add(frm);

frm.Attributes["runat"] = "server";

frm.Controls.Add(GridView1);

frm.RenderControl(hw);

StringReader sr = new StringReader(sw.ToString());

HTMLWorker htmlparser = new HTMLWorker(pdfDoc);

pdfDoc.Open();

pdfDoc.Add(new Paragraph("Category(Level1):-" + ddlcategory.SelectedItem.Text));

pdfDoc.Add(new Paragraph("Subcategory(Level2):-" + ddlsubcategory.SelectedItem.Text));

//pdfDoc.Add(new Paragraph("Document Status:-" + lbl3.SelectedItem.Text + " Documents"));

htmlparser.Parse(sr);

Response.Write(pdfDoc);

pdfDoc.Close();

Response.End();

}

catch (Exception ex)

{

throw new Exception(ex.ToString());

}

finally

{

}